I recommend you read this post here https://lemmy.fmhy.ml/post/24569 If you're still confused I am happy to explain further, as for r/all nope, not that I'm aware of but if you go to the all tab here you will get to see posts from all the instaces we federate with.

[–] GlitchyDigiBun@lemmy.fmhy.ml 0 points 1 year ago (2 children)

I've been using jerboa for my reading, but it kinda sucks trying to find communities from scratch. Is there a macro-wrapper that I can scroll all the popular instances from alltogether? I'm on android mobile 99% of the time.

[–] brunox@feddit.cl 2 points 1 year ago

not exactly what you're looking for, but check out this comunity browser https://browse.feddit.de/

[–] Kaizen@lemmy.fmhy.ml 1 points 1 year ago

Not that im aware of but you can access the All tab and see the most active posts from instances we federate with